It details basic anatomy and physiology, common causes of system dysfunction, clinical presentation, and the immediate recognition of and response to acute patient illness. The eBook further describes the continuing management of the patient and the principles underlying the prevention of future episodes of patient deterioration. The eBook includes video demonstrations and photographs to provide visual aids throughout. It also contains case-studies at the end of each section, multiple choice questions and interactive patient scenarios to enable the reader to test their RRAPID understanding. Additionally, there is also a case-log feature that allows the trainee to draw together aspects of the ABCDE approach to describe cases they have experienced for future reflection.